package cookie;


import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class GetSaveCookieServlet extends HttpServlet {
	@Override
	protected void service(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		PrintWriter out = response.getWriter();
		Cookie[] cookies = request.getCookies();
		if(cookies!=null){
			for (Cookie c : cookies) {
				if("username".equals(c.getName())){
					out.println(c.getName()+","+c.getValue());
					return;
				}
			}
		}
		Cookie username=new Cookie("username", "zs");
		response.addCookie(username);
		out.print("cookie added");
	}
}
